set default="0"
set timeout="3"
set gfxpayload=keep

search --label plfs_data --set=root

# If the config file isn't found, fall back to rescue mode
if [ -e (${root})/data/grub-source.cfg ]; then
  source (${root})/data/grub-source.cfg # selected_root and deviceinfo_codename is exported here
  echo "Booting Sineware ProLinux from partition ${selected_root} on ${deviceinfo_codename}..."
  sleep 1

  menuentry 'Sineware ProLinux' {
    # Mount the SquashFS file
    # todo: eventually we need digital signatures (and replacing the grub-source.cfg setup with a custom module)
    echo "Starting up..."
    loopback loop (${root})/prolinux_${selected_root}.squish
    
    # Set the Linux kernel and initramfs locations
    linux (loop)/opt/device-support/${deviceinfo_codename}/vmlinuz earlycon=efifb 
    initrd (loop)/opt/device-support/${deviceinfo_codename}/initramfs

    # Boot the kernel
    boot
  }
  submenu '-> Advanced options' {
    menuentry 'Sineware ProLinux (root slot a)' {
      loopback loop (${root})/prolinux_a.squish
      linux (loop)/opt/device-support/${deviceinfo_codename}/vmlinuz
      initrd (loop)/opt/device-support/${deviceinfo_codename}/initramfs
      boot
    }
    menuentry 'Sineware ProLinux (root slot b)' {
      loopback loop (${root})/prolinux_b.squish
      linux (loop)/opt/device-support/${deviceinfo_codename}/vmlinuz
      initrd (loop)/opt/device-support/${deviceinfo_codename}/initramfs
      boot
    }
    menuentry 'View Boot Environment Information' {
      echo "- Sineware ProLinux Boot Environment Information -"
      echo "Device root partition: ${root}"
      ls (${root})/
      ls (${root})/data/
      echo "--"
      echo "Selected root partition: $selected_root"
      echo "Device codename: $deviceinfo_codename"
      echo "Press any key to continue..."
      read
    }
  }
else
  echo "Error: grub-source.cfg not found in a plfs_data partition!"
  echo "Consider joining the Sineware Matrix channel or Discord server for support."
  echo "Please provide a picture of the following information:"
  ls
  echo ${root}
  ls (${root})
  ls (${root})/
  ls (${root})/data/
  echo "Press any key to enter GRUB rescue mode..."
  read

  insmod normal
  normal
fi